The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 1993
Filed:
Aug. 29, 1990
Robert J Kurtz, New York, NY (US);
Joseph LiCausi, Port Jefferson Station, NY (US);
BioResearch, Inc., Farmingdale, NY (US);
Abstract
A suction regulator is provided for a pleural drainage device which includes a spring-loaded valve which opens to atmosphere to maintain the appropriate suction levels in the pleural drainage device together with an air flow regulator which reduces the air flow to the drainage device when the suction level from the suction source exceeds a predetermined level. A tapered passageway is provided in the air flow path from the suction source to the pleural drainage device and a ball valve having an opening therethrough is slidably disposed within the tapered passageway so that when the air flow through the passageway increases, the ball valve rises to decrease the amount of air passing through the passageway.